Enhance Home Security with 433MHz Wireless Door Sensor

Reliable Wireless Connectivity
Operates on stable 433MHz frequency for interference-free transmission, ensuring seamless integration with most home alarm systems.
Precision Magnetic Detection
High-sensitivity magnetic sensor detects door/window openings instantly, triggering alarms within milliseconds for real-time security response.
Compact & Durable Build
ABS housing with reinforced internal components withstands harsh weather (indoor/outdoor use), featuring scratch-resistant coating for longevity.
Easy DIY Installation
No wiring required—mount with adhesive tape or screws. Low-power design extends battery life (CR1632 included) up to 2 years.
Multi-Scenario Protection
Ideal for homes, offices, warehouses, and smart setups. Compatible with Alexa/Google Assistant for automated alerts via hub (sold separately).
Cost-Effective Bulk Solution
Wholesale pricing for large orders, backed by global logistics support. Upgrade security affordably without compromising quality. *(Note: Alarm system/hub not included. Check compatibility before purchase.)*